Department Center for Endocrine Surgery
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages English
Surgeon Yes
Cleveland Clinic Main Campus
Primary Location

Cleveland Clinic Main Campus


Additional Locations

Specialties & Treatments

Treatment & Services

  • Adrenal Surgery
  • Advanced Laparoscopic Surgery
  • Endocrine Surgery
  • Endocrine Surgery - Thyroid And Parathyroid
  • Laparoscopic Adrenalectomy
  • Laparoscopic Radiofrequency Ablation Of Liver Tumors
  • Laparoscopic Solid Organ Surgery
  • Laparoscopic Surgery
  • Laparoscopic Thermal Ablation Of Liver Tumors
  • Laparoscopy
  • Liver Surgery
  • Minimally Invasive Surgery
  • Pancreatic Surgery
  • Paraganglioma Surgery
  • Parathyroid Surgery
  • Robotic Surgery for Adrenal
  • Robotic Surgery for Liver
  • Robotic Surgery for Parathyroid
  • Robotic Surgery for Thyroid
  • Surgery
  • Surgical Ultrasound
  • Thyroid Aspiration
  • Thyroid Ultrasound
  • Thyroid Ultrasound And Biopsy
  • Thyroidectomy
View all 25 Treatment & Services +

Specialty in Diseases & Conditions

  • Adrenal Cancer
  • Adrenal disorders
  • Adrenal Hyperplasia
  • Adrenal insufficiency
  • Adrenal Tumors
  • Adrenocortical Carcinoma
  • Beta-cell disorders
  • Calcium Disorders
  • Carcinoid Syndrome
  • Conn's Syndrome
  • Cushing's Syndrome
  • Endocrine Disorders
  • Familial Multiple Endocrine Neoplasia
  • Goiter
  • Hepatocellular Carcinoma
  • Hyperaldosteronism
  • Hypercalcemia
  • Hyperparathyroidism
  • Hyperthyroidism
  • Hypothyroidism
  • Liver Cancer
  • Metastatic Tumors Of The Liver
  • Pancreatic Cancer
  • Pancreatic Endocrine Tumors
  • Parathyroid Cancer
  • Parathyroid Disease Description
  • Pheochromocytoma
  • Primary Hyperaldosteronism
  • Secondary Hyperparathyroidism
  • Tertiary hyperparathyroidism
  • Thyroid Cancer
  • Thyroid Disease
  • Thyroid Glands
  • Thyroid Lesion
  • Thyroid Masses
  • Thyroid Nodule
  • Zollinger-Ellison Syndrome
View all 37 Specialties +


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About Allan Siperstein, MD

Allan Siperstein, MD, is Chair of Endocrine Surgery at Cleveland Clinic. He also serves as Program Director for the General Surgery Residency Program and Endocrine Surgery Fellowship.

Dr. Siperstein completed his medical school training at the University of Texas, Southwestern Medical School at Dallas, and his general surgery residency and endocrine surgery training at the University of California, San Francisco. From 1990 until 1999 he was a Faculty member in the Department of General Surgery at the University of California, San Francisco. Since then he has been a Staff member at Cleveland Clinic. In addition to endocrine surgery, he has had a long interest in minimally invasive surgery and surgical sonography. Since 1992, he has been teaching coursework in intraoperative and laparoscopic ultrasound techniques.

Current research interests include thyroid and parathyroid disease, in particular molecular markers for the identification of thyroid cancers. Clinical studies have focused on minimal incision approaches to thyroid and parathyroid surgery. He has had a long interest in the development of technologies for laparoscopic thermal ablation of hepatic tumors. Current studies continue to focus on technical advances in this area, as well as the impact of the procedure on long-term survival. He is a member of many surgical organizations, including the American Surgical Association, the American Association of Endocrine Surgeons and SAGES.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Residency - University of California San Francisco Medical Center
General Surgery
San Francisco, CA USA

Fellowship - University of California San Francisco Medical Center
Endocrine Surgery-Research
San Francisco, CA USA

Internship - University of California San Francisco Medical Center
General Surgery
San Francisco, CA USA

Medical Education - University of Texas Southwestern Medical School
Dallas, TX USA

Undergraduate - Stanford University
Biological Sciences
Stanford, CA USA


  • Surgery - General Surgery

Specialty Interests

adrenal disease, Adrenal disorders, Advanced Laparoscopic Surgery, Calcium Disorders, endocrine hypertension, endocrine surgery - thyroid and parathyroid diseases and surgery, endocrine surgery (thyroid and parathyroid), general and laparoscopic surgery, General Surgery, laparoscopic radiofrequency ablation of liver tumors, Laparoscopic Solid Organ Surgery, Laparoscopic Surgery, laparoscopic radiofrequency ablation of liver tumors, Laparoscopic Adrenalectomy, Laparoscopic Thermal Ablation Of Liver Tumors, Minimally Invasive Surgery, multiple endocrine neoplasia syndromes, parathyroid and calcium disorders, pancreatic endocrine tumors, thyroid, Thyroid Cancer, thyroid cancers, Thyroid cancers and Flushing Syndromes, Thyroid Disease, thyroid disorders, thyroid nodules

Awards & Honors

  • America's Top Doctors for Cancer 2011
  • Cleveland's Top Doctors, 2011

Innovations & Patents

  • Radiofrequency thermal ablation
Research & Publications

Research & Publications

See publications for Allan Siperstein, MD.

(Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)

Industry Relationships

Industry Relationships

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

As of 12/2/2019, Dr. Siperstein has reported no financial relationship with industry that is applicable to this listing. In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.

* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.

Patient Satisfaction Reviews

173 Patient Satisfaction Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

Overall Star Ratings
4.9 out of 5
Explains 4.9
Courtesy, Respect & Concern 4.9
Patient Rating of Doctor 4.9

45 Patient Comments

Reviewed on Aug 26, 2020

I am very pleased with my experience with doctor Siperstein and his staff. Very professional and kind.

Reviewed on Aug 12, 2020

Dr. Siperstein has been very responsive and has answered all of my questions.

Reviewed on Aug 10, 2020

Both doctors that i saw that day were great.

Reviewed on Aug 5, 2020

Dr. Siperstein walned me they every step before hand and was very attentive and answered all my questions and concerns.

Reviewed on Aug 3, 2020

I have been receiving excellent care from Dr. Allen Siperstein for the past 12 years.

Reviewed on Aug 3, 2020

Dr Siperstein was exceptional. very hands on, caring and thorough. I will recommend he to anyone who needs endocrine care. awesome and Thank You Doctor!!

Reviewed on Aug 3, 2020

Dr. Siperstein is terrific, he knows my issues, engages in a way that is friendly and accessible.

Reviewed on Aug 3, 2020

Dr. Siperstein was absolutely wonderful!!! Great sense of humor and the best bedside manner. He explains things so that it is very easy to understand and makes you feel totally at ease. On a previous visit his other nurse Maureen was also just fantastic!! I called her several times before my procedure and she is just a sweetheart!! The staff at the front office was also very friendly snd very helpful. My whole experience was just wonderful. I was very nervous and quite scared about the surgery, afterward I felt totally safe and calm during my stay.

Reviewed on Jul 29, 2020

only problem was I waited over an hour to see dr and then felt rushed... but it is worth the wait

Reviewed on Jul 22, 2020

overall the appt. scheduling is fine. but when it comes to the Doctors letting my doctors in Toledo to know the info. it wasnt happening. I'm also awaiting an appt. to be scheduled for the gastrologist appt. since 7/22/20. I know with all that's going on w/ coronavirus outbreak, which slow things down. My last visit was good. my doctor explain everything to me.

Reviewed on Jul 13, 2020

Dr Siperstein's staff is very professional, yet they make you feel at ease during what can be a tense time.

Reviewed on Jul 13, 2020

Dr Siperstein makes me very at ease. He's extremely knowledgeable in his field and both my husband and myself feel very comfortable with him

Reviewed on Jul 8, 2020

I have been coming to Cleveland Clinic for about six years to get thyroid nodules looked at. This was the first time, I was told since they were biopsied I was good they are not like colon polys that can not turn cancerous . That is a relief all this time, I thought they could become cancerous. Thank you, Doctor Siperstein.

Reviewed on Jul 6, 2020

*Dr. Siperstein and staff are the best!

Reviewed on Jul 6, 2020

Dr. Siperstein's assistant personally walked with me to the Ex-Ray department and checked orders for my visit.

Reviewed on Jun 29, 2020

I'm very glad that Dr. Siperstein is my provider. From the beginning he has been attentive, talks through my questions, concerns, provides me with all of the information I feel I need to make decisions.

Reviewed on Jun 22, 2020

Doctor Siperstein is absolutely one of the best doctors I have ever had the fortune to interact with. He's the type of person anybody would want to "know outside of work" which makes him very relatable to me as a patient. His knowledge and skills as a surgeon are superb.

Reviewed on Jun 3, 2020

Doctor is always helpful and informative.

Reviewed on Jun 1, 2020

Dr.'s office scheduled the post-op so I didn't have to do anything except check MY Chart-very easy

Reviewed on Jun 1, 2020

Dr. Siperstein was very nice and courteous. invited questions and provided clear answers. he will be our physician at this time.

Reviewed on May 20, 2020

Dr. Siperstein is an outstanding physician in all respects: he is highly skilled, knowledgeable and competent in his area of practice; he is thorough and clear in his explanations; he has a great bedside manner and instills confidence in his patients; he is highly respected by his fellow physicians; and he treats his staff and colleagues with dignity and respect and in turn is highly regarded by them.

Reviewed on May 11, 2020

heading into right direction I'm hoping to just get rid of this hyperparathyroidism and its proven and treated. this Doc was rated very high by His patients. as I progress with my treatment I wouldnt wanna be in any other hands...

Reviewed on May 11, 2020

I've just video chatted with my doc as I progress I'll have more to add. thank you

Reviewed on May 4, 2020

the Dr. has been amazing all through my surgery, as well as before and after visits!

Reviewed on Mar 16, 2020

Dr.Siperstein is the absolute best.

Reviewed on Feb 3, 2020

Dr. Siperstein is the best! Cannot say enough good things about him. Feel so fortunate to be seeing him.

Reviewed on Feb 3, 2020

Dr Siperstein is the best!!!

Reviewed on Feb 3, 2020

Dr Siperstein is amazing!!

Reviewed on Feb 3, 2020

a very good experience every time I am there. Dr Siperstein and staff are all wonderful.

Reviewed on Jan 27, 2020

Dr Siperstein is great.

Reviewed on Dec 9, 2019

Dr. Sipperstein is very caring and professional. Always makes me feel comfortable and informed

Reviewed on Dec 9, 2019

very good experience , nurses were friendly and Dr. Siperstien was very professional

Reviewed on Dec 2, 2019

Dr. Siperstein is excellent. Very thorough and explains with ease .

Reviewed on Dec 2, 2019

I have seen this physician a number of times over the course of a few years and I leave feeling that I have had the best care around!

Reviewed on Dec 2, 2019

I have the utmost confidence in the care provider by both my doctor and his staff. Very pleased !

Reviewed on Dec 2, 2019

Outstanding care provided by Dr Siperstein

Reviewed on Nov 11, 2019

Dr. Siperstein is a really amazing doctor. He never makes you feel rushed and he explained everything so thoroughly. He and Maureen make a very effective team. Cleveland Clinic is lucky to have them.

Reviewed on Oct 21, 2019

Dr. Siperstein is AMAZING! He is knowledgeable and doesn't mind answering your questions.

Reviewed on Oct 21, 2019

absolutely every person I dealt with in dr. sips office was amazingly qualified, courteous, and genuinely dedicated to providing excellent service

Reviewed on Oct 14, 2019

I felt very comfortable with Dr. Siperstein. He explained my condition thoroughly and I enjoyed his sense of humor.

Reviewed on Sep 30, 2019

Dr. Siperstein were especially accommodating in helping my past my nervousness for this thyroid biopsy procedure. The doctor, RN Maureen & intake nurse Maria were so kind & caring my hubby & I brought them sunflowers from the Wed. Crile park market.

Reviewed on Sep 30, 2019

I hav already recommended Dr. Siperstein.

Reviewed on Sep 30, 2019

This was a better than expected experience. Dr. Siperstein answered all question and concerned. Explained in detail all concerns, questions, and treatments. I felt very confident in the treatment we decided on. Very pleased with this doctor.

Reviewed on Sep 16, 2019

Dr. Siperstein is awesome!

Reviewed on Sep 16, 2019

Dr. Siperstein is outstanding and I feel very confident about his knowledge and concern. It is a privilege to be in his care.

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